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Oil-resistant low-temperature-resistant rubber material for vacuum braking hoses

A technology for vacuum braking and rubber materials, which is applied in the field of rubber materials for oil-resistant and low-temperature vacuum brake hoses, can solve the problem that nitrile rubber cannot have both mineral oil resistance and low temperature resistance, and achieves excellent anti-swelling and mechanical properties. The effect of excellent performance, good oil resistance and low temperature resistance

Inactive Publication Date: 2018-02-23
ANHUI JINGHONG SEAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air flowing in the vacuum brake tube is mixed with a small amount of lubricating oil, so most vacuum brake booster hoses are made of nitrile rubber with good oil resistance, but nitrile rubber cannot have both mineral oil resistance and low temperature resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An oil-resistant and low-temperature-resistant rubber material for vacuum brake hoses, the raw materials of which include by weight: 100 parts of main ingredients, 80 parts of KTC-Qianwei powder, 25 parts of light calcium carbonate, 50 parts of white carbon black, Cabot 5 parts of carbon black N550, 15 parts of indirect zinc oxide, 2 parts of calcium oxide, 18 parts of silane coupling agent, 50 parts of plasticizer, 2,2,4-trimethyl-1,2-dihydroquinoline polymerization 6 parts of body, 2 parts of N-isopropyl-N'-phenyl-p-phenylenediamine, 4.5 parts of N-(1,3-dimethyl)butyl-N'-phenyl-p-phenylenediamine, microcrystalline 0.5 parts of wax, 2 parts of crosslinking agent.

[0020] The main ingredients include by weight: 100 parts of nitrile rubber and 40 parts of polyvinyl chloride. The plasticizer comprises by weight: 2 parts of styrene-butadiene-styrene block copolymer, 25 parts of trioctyl trimellitate, and 30 parts of stearic acid. The crosslinking agent includes by weigh...

Embodiment 2

[0023] An oil-resistant and low-temperature-resistant rubber material for vacuum brake hoses, the raw materials of which include by weight: 200 parts of main materials, 40 parts of KTC-Qianwei powder, 75 parts of light calcium carbonate, 10 parts of white carbon black, Cabot 20 parts of carbon black N550, 5 parts of indirect zinc oxide, 5 parts of calcium oxide, 6 parts of silane coupling agent, 70 parts of plasticizer, 2,2,4-trimethyl-1,2-dihydroquinoline polymerization 2 parts of body, 8 parts of N-isopropyl-N'-phenyl-p-phenylenediamine, 1.5 parts of N-(1,3-dimethyl)butyl-N'-phenyl-p-phenylenediamine, microcrystalline 6 parts of wax, 6 parts of crosslinking agent.

[0024] The main ingredients include by weight: 60 parts of nitrile rubber and 100 parts of polyvinyl chloride. The plasticizer comprises by weight: 1 part of styrene-butadiene-styrene block copolymer, 60 parts of trioctyl trimellitate, and 1 part of stearic acid. The crosslinking agent includes by weight: 0.9 p...

Embodiment 3

[0027] A rubber material for oil-resistant and low-temperature-resistant vacuum brake hose, the raw materials of which include: 120kg of main material, 70kg of KTC-Qianwei powder, 30kg of light calcium carbonate, 40kg of white carbon black, 10kg of Cabot carbon black N550, indirect method Zinc oxide 12kg, calcium oxide 3kg, silane coupling agent 16kg, plasticizer 55kg, 2,2,4-trimethyl-1,2-dihydroquinoline polymer 5kg, N-isopropyl-N'- 4kg of phenyl-p-phenylenediamine, 4kg of N-(1,3-dimethyl)butyl-N'-phenyl-p-phenylenediamine, 1kg of microcrystalline wax, and 3kg of crosslinking agent.

[0028] The main materials include: 90kg of nitrile rubber, 60kg of polyvinyl chloride. Plasticizers include: styrene-butadiene-styrene block copolymer 1.8kg, trioctyl trimellitate 30kg, stearic acid 20kg. The crosslinking agent includes: N-cyclohexylthiophthalimide 0.4kg, processing aid 935P 8kg, sulfur 1.6kg, accelerator SCCBOND 2kg.

[0029] Among the light calcium carbonate, those with a pa...

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Abstract

The invention discloses an oil-resistant low-temperature-resistant rubber material for vacuum braking hoses, made from, by weight, 100-200 parts of a main material, 40-80 parts of KTC stronWi, 25-75 parts of lightweight calcium carbonate, 10-50 parts of white carbon black, 5-20 parts of Cabot carbon black N550, 5-15 parts of indirect zinc oxide, 2-5 parts of calcium oxide, 6-18 parts of silane coupling agent, 50-70 parts of a plasticizer, 2-6 parts of 2,2,4-trimethyl-1,2-dihydroquinoline polymer, 2-8 parts of N-isopropyl-N'-phenyl-p-phenylenediamine, 1.5-4.5 parts of N-(1,3-dimethyl)butyl-N'-p-phenylenediamine, 0.5-6 parts of microcrystalline wax, and 2-6 parts of a crosslinking agent. The oil-resistant low-temperature-resistant rubber material for vacuum braking hoses has excellent elongation at break, good mechanical properties, excellent ozone resistance and aging resistance, and good oil resistance and low temperature resistance.

Description

technical field [0001] The invention relates to the technical field of vacuum brake hoses, in particular to a rubber material for oil-resistant and low-temperature-resistant vacuum brake hoses. Background technique [0002] Automobile brake hose, commonly known as brake pipe, is a component used in the automobile braking system. Its main function is to transmit the brake medium in the automobile brake to ensure that the braking force is transmitted to the automobile brake shoe or brake caliper. Braking force, so that the brake is effective at any time. [0003] The vacuum brake booster hose is a section of rubber hose connected between the engine intake pipe and the vacuum booster. After the engine is started, the vacuum degree at the intake manifold of the engine rises, and the vacuum degree of the vacuum booster rises to achieve braking. boosting effect. The air flowing in the vacuum brake tube is mixed with a small amount of lubricating oil, so most vacuum brake booster...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L27/06C08L53/02C08K13/02C08K3/26C08K3/36C08K3/04C08K3/22C08K5/12C08K5/09C08K5/18C08K3/06C08K5/3437
CPCC08L9/02C08K2003/2206C08K2003/2296C08K2003/265C08K2201/014C08L27/06C08L2201/08C08L2203/18C08L2205/035C08L53/02C08K13/02C08K3/26C08K3/36C08K3/04C08K3/22C08K5/12C08K5/09C08K5/18C08K3/06C08K5/3437
Inventor 付崇智
Owner ANHUI JINGHONG SEAL TECH
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